/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package socket.io;

import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;

public class InputStreamReporter extends FilterInputStream {

    /** Total bytes read. */
    private long fTotal;
    
    /** Constructs a reporter from the specified input stream. */
    public InputStreamReporter(InputStream stream) {
        super(stream);
    }
    
    /** Reads a single byte. */
    public int read() throws IOException {
        int b = super.in.read();
        if (b == -1) {
            return -1;
        }
        fTotal++;
        return b;
    }

    /** Reads a block of bytes. */
    public int read(byte[] b, int offset, int length) 
        throws IOException {
        int count = super.in.read(b, offset, length);
        if (count == -1) {
            return -1;
        }
        fTotal += count;
        return count;
    } 

} 